collaborators

5 papers

astro-ph.SR2026

Strong Prevalence of Hammerhead Velocity Distributions Close to the Heliospheric Current Sheet

Srijan Bharati Das, Jaye L. Verniero, Samuel T. Badman +13

The solar wind undergoes non-adiabatic heating as it travels away from the Sun. The velocity phase space distribution of non-equilibrium ions in the solar wind indicate a source of…

astro-ph.SR2025

Free Energy Sources of Ion-scale Waves Observed by Parker Solar Probe

Niranjana Shankarappa, Kristopher G. Klein, Mihailo M. Martinović +6

Parker Solar Probe (PSP) observes abundant circularly polarized ion-scale waves throughout the inner heliosphere. These waves are a signature of the interplay between plasma microi…

astro-ph.SR2025

Identification of Ion-Kinetic Instabilities in Hybrid-PIC Simulations of Solar Wind Plasma with Machine Learning

Viacheslav M Sadykov, Leon Ofman, Scott A Boardsen +5

Analysis of ion-kinetic instabilities in solar wind plasmas is crucial for understanding energetics and dynamics throughout the heliosphere, as evident from spacecraft observations…

astro-ph.SR2025

Evidence of Interaction between Ion-Scale Waves and Ion Velocity Distributions in the Solar Wind

Yogesh, Leon Ofman, Scott A Boardsen +9

Recent in situ observations from Parker Solar Probe (PSP) near perihelia reveal ion beams, temperature anisotropies, and kinetic wave activity. These features are likely linked to…

astro-ph.SR2025

Modeling hot, anisotropic ion beams in the solar wind motivated by the Parker Solar Probe observations near perihelia

Leon Ofman, Yogesh, Scott A Boardsen +5

Recent observations of the solar wind ions by the SPAN-I instruments on board the Parker Solar Probe (PSP) spacecraft at solar perihelia (Encounters) 4 and closer find ample eviden…